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Your server or firewall (connected to the modem) should be configured with the following settings: IP address: The IP addresses which can be assigned to equipment connected to the Comcast IP Gateway will be given to you Subnet mask: A CIDR /30 (or 1 static IP) - 255.255.255.252 A /29 (or 5 static Find static IP information Sign in to My Account and select Internet from the Services menu. Please note, only the Primary Manager and Services Manager can view Static IP information. Select View Static IP. By default, the Comcast Gateway’s LAN is set to assign IPs to LAN devices between 10.1.10.0 and 10.1.10.255. This is a subnet of LAN IPs. Most routers will assign IP addresses to their own LAN between 192.168.1.0 and 192.168.1.255 (a separate subnet). Jul 30, 2019 · The public IP address you use as a Comcast (Xfinity) customer is theirs, not yours. They’re just letting you borrow it. Any IP addresses you use on your LAN are yours and you can muck around there as you see fit - but most SOHO routers don’t give you a lot of flexibility there. So, the answer is NO and NO. Introduction With the Comcast IP gateway, you will be able to prevent unauthorized access to or from a private network and block Internet users from accessing private networks connected to the Internet, especially intranets or LANs. The Comcast IP gateway incorporates a stateful packet inspection firewall. Jan 13, 2011 · If you use Comcast Cable Internet service, you've probably noticed that the IP address hasn't changed for over a year and even though Comcast service tech support says your IP is dynamic, it's really pretty much static (saving you the $7.99 static IP fee).
This article provides details on how to log into each of the different available Comcast modems
Nov 05, 2013 · Downgraded biz internet to Comcast Residential at a location that has 1 DC & 1 user and a DFS replication from our main site. Then learned I need Comcast biz to get a static IP. Don’t want to sign up for the biz account since they require a 1 yr contract and this is a band-aid for a temp location. Location: Collingswood, United States - 73.197.18.71 is a likely dynamic assigned Cable/DSL IP address allocated to Comcast Cable. Learn more.
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Jan 24, 2019 · I have Comcast, with an ARRIS cable modem and a TP-Link wireless router. I have both laptops and desktops on my home LAN. The desktops have static IPs, in the 192.168 range. Comcast Business internet is an attractive option for a small business that requires speed and stability and is willing to pay a little more for it. It’s neither the fastest nor the cheapest, but Comcast Business internet is reliable, available, and loaded with extra features to sweeten the deal. ID IP Address ISP Country State City Timezone Browser Operating System Bot/spider; 1: 2601:803:580:5da0:4d37:fbdc:1f2:51f7: Comcast Cable: United States: Indiana Sep 26, 2017 · More than two years after Comcast first announced its IP-based skinny bundle service known as Stream, the cable operator is now making good on plans to expand its IPTV reach with the launch of a Check Public DNS IP Addresses for Comcast DNS Servers in United States Of America. You can use these dns server ips in your windows or mac dns settings to fetch public ips of domains from that server. Nov 05, 2013 · Downgraded biz internet to Comcast Residential at a location that has 1 DC & 1 user and a DFS replication from our main site. Then learned I need Comcast biz to get a static IP. Don’t want to sign up for the biz account since they require a 1 yr contract and this is a band-aid for a temp location.